CURABLE CONDUCTIVE ORGANOPOLYSILOXANE COMPOSITION AND PREPARATION METHOD THEREOF

WIPO Patent Application WO/2022/143890

A1

The present invention relates to a method for preparing a curable conductive organopolysiloxane composition especially having high content of conductive filler and a curable conductive organopolysiloxane composition preferably obtained therefrom and a premixed conductive paste. The present invention also relates to a cured conductive silicone rubber obtained by such curable conductive organopolysiloxane composition as well as the use thereof, especially in electromagnetic shielding. The present invention further relates to an electrical wires and cables comprising such cured conductive silicone rubber. A higher content of conductive fillers could be loaded while enabling good processability by initially preparing a premixed conductive paste comprising an organopolysiloxane with specific dynamic viscosity and at least a portion of the conductive fillers, and then mixing the premixed conductive paste with the organopolysiloxane masterbatch comprising at least one organopolysiloxane A and optionally at least one reinforcing filler to obtain a mixture.

JPH07215368	PACKAGING MATERIAL FOR RETAINING FRESHNESS, PRODUCTION AND PACKAGING THEREOF
JPS62124158	COATING COMPOSITION
JPH05163353	ORGANOSILICON POLYMER AND PRODUCTION OF SEMICONDUCTOR DEVICE

CAI TIAN (CN)
YANG LONG (CN)
JIANG XIN (CN)

PCT/CN2021/143041

July 07, 2022

December 30, 2021

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ELKEM SILICONES SHANGHAI CO LTD (CN)

C08L83/04; C08J3/22; C08K3/04

WO2017114440A1	2017-07-06
WO2020061988A1	2020-04-02

KR20180091385A	2018-08-16
US5725922A	1998-03-10
CN102134399A	2011-07-27
CN111607232A	2020-09-01

CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)

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